[3] It has since been re-released as part of a trilogy under the title Amityville: Fact or Fiction?.

[4] The plot tries to explain why Ronald Defeo Jr. killed his family at 112 Ocean Ave.

It revolves around Ronald Jr. as he experiences strange events in the house up until he shots dead his entire family on November 13, 1974.

The book was loosely used as the basis for the 1982 horror film Amityville II: The Possession.

[7] A television special was filmed in 1979 with Holzer narrating and including interviews with DeFeo and medium Ethel Johnson-Meyers, but eventually was scrapped and never made public.